Loudoun County's estimated 2026 population is 455,812 with a growth rate of 1.38% in the past year according to the most recent United States census data. Loudoun County is the 4th largest county in Virginia. The 2010 population was 315,486 and has seen a growth of 44.48% since that time.
Data after 2023 is projected based on recent change
The racial composition of Loudoun County includes 55.36% White, 21.04% Asian, 7.7% Black or African American, 4.44% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (55.36%)
Asian (21.04%)
Two or more races (11.1%)
Black or African American (7.7%)
Other race (4.44%)
Native American (0.3%)
Native Hawaiian or Pacific Islander (0.06%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 236,450 | 55.36% |
| Asian | 89,864 | 21.04% |
| Two or more races | 47,393 | 11.1% |
| Black or African American | 32,889 | 7.7% |
| Other race | 18,949 | 4.44% |
| Native American | 1,274 | 0.3% |
| Native Hawaiian or Pacific Islander | 263 | 0.06% |
Married
Widowed
Divorced
Separated
Never Married
Loudoun County's average per capita income is $94,853. Household income levels show a median of $178,707. The poverty rate stands at 3.96%.
Name | Median | Mean |
|---|---|---|
| Married Families | $215,791 | $247,191 |
| Families | $200,316 | $229,352 |
| Households | $178,707 | $209,947 |
| Non Families | $99,892 | $129,404 |
Average Income
Median Household Income
Poverty Rate
